Lesson: Applications of the Sine Rule
In this lesson, we will learn how to apply the sine rule to find a missing side length or a missing angle in a triangle.
Sample Question Videos
Worksheet: 19 Questions • 4 Videos
A communications tower is located at the top of a steep hill, as shown in the given figure. The angle of inclination of the hill is . A guy wire is to be attached to the top of the tower and to the ground 165 metres downhill from the base of the tower. The angle formed by the guy wire and the hill is . Find the length of the cable required for the guy wire to the nearest whole meter.
In the figure, , , , and .
What is ? Give your answer to two decimal places.
Find the length of .